| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for a [adj] | 7877 |
|
| 2 | for a [adj] period | 756 |
|
| 3 | [verb] a [adj] period | 270 |
|
| 4 | [verb] for [adj] period | 181 |
|
| 5 | [verb] for a period | 105 |
|
